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The EN 10025: 2004 encompasses a broader range of structural metallic products and divides them into six basic categories:
Within these six categories are individual grades. The foundation of each grade within the EN 10025 standard is the material’s tested yield strength measured in megapascals (1 MPa = 0.145 ksi). Each structural steel grade begins with an "S" and is followed by suffixes that represent variations in the specific requirement for that structural application.
Example: S355K2C+N
As projects required to meet EN Specifications become more common in the U.S., primarily due to growth in wind energy, the American Society for Testing Materials (ASTM) implemented a criterion for easier substitution of EN materials with ASTM materials. These substitutions can help manufacturers more readily source the steel plate materials they need for their project.
While some EN grades may not have an ASTM equivalent, several grades – such as S355 – have a readily available ASTM substitute grade. These substitute grades may be certified to meet EN Standards through rigorous testing and quality assurance methods.
Spec | Grade | Certification | |
---|---|---|---|
S235 | EN Standard | View Details | |
S275 | EN Standard | View Details | |
S355 | EN Standard | View Details | |
S420 | EN Standard | View Details | |
S690 | EN Standard | View Details | |
S890 | EN Standard | View Details |